Product description

Active stylus technology reduces off set and lag time between fine tip and trace, keep your tablet or phone screen free of finger smudges by using this stylus instead.
Material:                Aluminum Alloy + PCB
Function:               Handwriting, Drawing, Touch screen, shorthand
Application:           iPad, iPhone and android touch screen.
Battery:                  140mah Built in lithium battery
Charging port:       Rechargeable micro USB
Charging time:      1-2 hours
Using time:            10-12 hours
Charging power:   5V/0.2A.